File:Winds from the Bella Storm in the English Channel.jpg

English: Storm Bella is a winter storm caused by a mass of polar air extending from Iceland to the Iberian Peninsula which is affecting the northern part of Europe in the last days of December 2020. Damages have been severe with flooding and tens of thousands left without electricity. The strong winds of Storm Bella have reached France and the UK on 27 December. In the UK, the highest wind speed was recorded in the Needles area of the Isle of Wight with 170 km/h and in Dorset, on the south coast of England, with 129 km/h. In France, 143km/h were recorded near Calais. The wind field generated by Storm Bella in the English Canal (several areas of the Channel reached wind levels of 80 km/h) is visible in this image, as retrieved from the radar data acquired by one of the Copernicus Sentinel-1 satellites on 27 December 2020 at 06:06 UTC. Data from the Copernicus Sentinel -1 satellites include Level-1 and Level-2 products. Level-2 products are dedicated to ocean monitoring: Level-2 Ocean (OCN) products include components for Ocean Swell spectra (OSW), Ocean Wind Fields (OWI) and Surface Radial Velocities (RVL). The OSW is a two-dimensional ocean surface swell spectrum and includes an estimate of the wind speed and direction per swell spectrum.